This inclusive and convenient set includes one of each if the following products: #20 Red Stone Abrasive, 3/4" Wheel Brush - Stiff, 3/4" Wheel Brush - Medium, bud Felt Bob, Knife-Edge Felt Bob, 2.3 mm Cup Bur, 1.0 mm 3/32" Shank Twist Drill, 1.5 mm 3/32" Shank Twist Drill, 1/4" End Brush - Stiff, 3/4" Mini Brass Brush, Cone Silicone Fine Polisher, and a Knife-Edge Silicone Fine Polisher. Ideal for use with certain flexible shaft machinery.